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A 1300 kg sports car accelerates from rest to 90 km/h in 7.4 s. What is the average power delivered by the engine?

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P=W/t

Must use standard units : N m s
1400kg*9.8=13720N
90km/h = 9000m/3600s = 2.5m/s

13720N(2.5m/s)/7.4s

4635.12J

4635.12J

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